F1 Lt

Combining ultralight elements of our Alien race boots with a more versatile, backcountry-oriented design, the all-new F1 LT is our lightest weight alpine touring boot, optimized for high-mileage missions, ambitious traverses, and technical ski mountaineering descents.

Features:

• Carbon Grilamid® LFT shell & cuff delivers incredible power to weight ratio
• 3D Lambda Torsion Frame increases lateral stability and downhill performance
• Speed Lock ski walk mechanism is strong, precise and easy to use
• Boa® Fit System for a fast and secure fit
• Waterproof gaiter system provides total snow protection
• New Zeppa increases ramp angle by 3.5°
• Weight Reference : 990g; 2lb 2.9oz (1/2 pair size 27)
• Liner : Intuition® Cross Fit Tour LT
• Last : 100mm
• Outsole : Vibram® UFO RS
• Shell : Carbon Grilamid® LFT
• Cuff : Carbon Grilamid® LFT
• Flex : 100
• Forward Lean : 9º / 11º / 13º +/- 2º
• Range of Motion : 72º
• Ski/Walk Mode : Speed Lock LT
• Closure : 1 Buckle + Boa® Fit System
• Binding System : TLT
• Optimized Touring Pivot : 1mm